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cyberwow/cyberwow/lib/state/exiting.dart

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/*
Copyright 2019 fuwa
This file is part of CyberWOW.
CyberWOW is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CyberWOW is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
*/
import 'dart:collection';
import '../config.dart' as config;
import '../logging.dart';
import 'prototype.dart';
class ExitingState extends AppState {
final Queue<String> stdout;
final Stream<String> processOutput;
ExitingState(appHook, this.stdout, this.processOutput) : super (appHook);
void append(final String msg) {
stdout.addLast(msg);
while (stdout.length > config.stdoutLineBufferSize) {
stdout.removeFirst();
}
syncState();
}
Future<void> wait() async {
log.finer("Exiting wait");
Future<void> printStdout() async {
await for (final line in processOutput) {
log.finer('exiting: print stdout loop');
append(line);
log.info(line);
}
}
await printStdout();
log.finer('exiting state done');
}
}